Yoichi weather in June

In June, Yoichi sees average daytime highs of 18°C and overnight lows near 12°C, with 67 mm of rain across 9.6 wet days and about 15.1 hours of daylight. It is the 4th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 19°C by the end. The sky is clear or mostly clear about 24% of the time in June, and the air most often feels dry.

Daylight stretches from about 15 hours at the start of June to 15 h 12 min by month's end. Set against the rest of the year, June is Yoichi's 5th-clearest and 11th-windiest month. For the whole year in context, see Yoichi's year-round climate.

Daytime high
18°
4th warmest
Overnight low
12°
9th coldest
Rainfall
67 mm
9.6 wet days
Daylight
15 h 12 min
4:02 AM – 7:13 PM
Cloud cover
66%
5th clearest
Wind
9 km/h
11th windiest
Solar energy
5.69 kWh/m²
Travel score
5.6
out of 10

Yoichi is town in Yoichi district, Hokkaidō, Japan.

Density
135/km²
people per km²
Founded
1900

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 16°C in the first days to 19°C by the end.

A typical June day in Yoichi reaches about 18°C in the afternoon and slips back to 12°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 21°C. Set against its neighbours, June runs about 5°C warmer than May and about 4°C cooler than July.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11610
21610
31611
41611
51711
61711
71711
81711
91711
101712
111712
121712
131712
141712
151812
161812
171813
181813
191813
201813
211813
221913
231914
241914
251914
261914
271914
281914
292014
302015

How June really feels in Yoichi

Once humidity and wind are folded in, June averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Yoichi weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -6°10321.524.59.20.0
Feb-1° / -5°8318.520.310.20.0
Mar / -3°7415.115.211.60.0
Apr / 6411.24.313.21.0
May13° / 7911.40.314.43.6
Jun18° / 12°679.6015.15.6
Jul22° / 17°11311.6014.96.2
Aug23° / 19°14513.2013.86.2
Sep20° / 15°13913.8012.35.7
Oct14° / 11314.80.510.83.7
Nov / 12718.410.99.50.7
Dec / -4°12722.322.68.90.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 14% of June, with mostly cloudy or overcast conditions the remaining 62%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24555
34357
44357
54357
64159
74159
84060
94060
103961
113862
123862
133664
143664
153763
163763
173664
183664
193565
203565
213565
223565
233565
243565
253664
263664
273565
283565
293565
303565

Chance of precipitation in June

Any precipitation

Yoichi gets around 67 mm of rain over 9.6 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
236
335
435
535
635
735
835
935
1034
1134
1234
1333
1433
1533
1632
1732
1832
1931
2031
2130
2230
2330
2430
2530
2630
2730
2831
2931
3031

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

Most of June feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, June lands in the dry band about 61% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
193700
292800
391900
4901000
5871210
6861310
7841510
8821710
9791920
10772120
11752320
12722530
13702730
14672940
15643240
16613450
17583660
18553870
19533980
20504190
214742100
224544111
234245121
243946141
253746162
263446182
273146202
282946223
292746243
302545264

Wind in June

Winds average 9 km/h in June.

Across June, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 hours at the start of June to 15 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 4:06 AM to 4:05 AM, and sunset from 7:03 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:067:03
215.04:057:04
315.04:057:05
415.04:047:05
515.04:047:06
615.14:047:07
715.14:037:08
815.14:037:08
915.14:037:09
1015.14:027:09
1115.14:027:10
1215.14:027:11
1315.24:027:11
1415.24:027:12
1515.24:027:12
1615.24:027:13
1715.24:027:13
1815.24:027:13
1915.24:027:14
2015.24:027:14
2115.24:027:14
2215.24:027:15
2315.24:037:15
2415.24:037:15
2515.24:037:15
2615.24:037:15
2715.24:047:15
2815.24:047:15
2915.24:047:15
3015.24:057:15

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.69 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.37 kWh/m² to a high of 5.69 kWh/m² in June across the year — June's 5.69 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in June

Hazard calendar for Yoichi

In seasonPeak

In June, Yoichi sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Yoichi sits in the Pacific typhoon belt; the season peaks July–October.

Pacific typhoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is June a good time to visit Yoichi?

Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.6
Sightseeing
4th-best month of the year
1.8
Beach & pool
4th-best month of the year

June is a reasonable time to visit Yoichi for sightseeing.

What to pack for Yoichi in June

From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In June, Yoichi sees daytime highs around 18°C and nights near 12°C. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

Sea temperature near Yoichi in June

The nearest coast averages about 14°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 km away) is warmest in August at about 21°C and coldest in February near 6°C.

It's comfortable for a long swim from Aug 1 to Sep 23 — about 1.8 months when the water holds above 20°C.

10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan7Bracing
Feb6Bracing
Mar6Bracing
Apr7Bracing
May10Bracing
Jun14Bracing
Jul19Cool
Aug21Refreshing
Sep21Refreshing
Oct17Cool
Nov13Bracing
Dec9Bracing

UV index in Yoichi in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yoichi peaks around August 18 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highHighModerateLowAug 18UV 8Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr5High
May7Very high
Jun7High
Jul5Moderate
Aug9Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Yoichi in June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.

Air quality in Yoichi is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1121 µg/m³Dec 169 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb15Moderate
Mar21Moderate
Apr21Moderate
May19Moderate
Jun13Moderate
Jul12Moderate
Aug11Good
Sep10Good
Oct12Good
Nov11Good
Dec9Good
Location & terrain

Where is Yoichi?

Yoichi sits at 43.2°N, 140.8°E, 2 m above sea level, in Japan. The nearest listed city is Otaru, 19 km away.

Topography around Yoichi

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Yoichi.

Within 3 km, the terrain around Yoichi has significant variations in elevation — a maximum elevation change of 280 m around an average of 47 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 873 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,867 m.

The land around Yoichi is covered by trees (46%) and water (31%) within 3 km, trees (56%) and water (37%) within 16 km, and trees (44%) and water (44%) within 80 km.

3 km
280 m
16 km
873 m
80 km
1,867 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Otaru 19 km · Kutchan 34 km · Niseko 44 km · Ishikari 47 km · Sapporo 49 km · Tōbetsu 61 km · Ebetsu 64 km · Kitahiroshima 70 km

Japan travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
100 V · 50 / 60 Hz
Prices
≈ 65% of US
price level, 2025
GDP per capita
$35,951
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.2
per 100k, 2023
Road deaths
3.6
per 100k/yr, 2019
Income group
High
World Bank
English
Very low
EF EPI 446
Religion
Shintoism 49%Buddhism 46%other 4%Christianity 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Yoichi (43.2039°, 140.7703°, elevation 2 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).